Advisory Details

August 23rd, 2022

Softing Secure Integration Server Content-Length Integer Underflow Denial-of-Service Vulnerability

CVE ID	CVE-2022-2335
CVSS SCORE	7.5, AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AFFECTED VENDORS	Softing
AFFECTED PRODUCTS	Secure Integration Server
VULNERABILITY DETAILS	This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Softing Secure Integration Server. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of the Content-Length HTTP header. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
ADDITIONAL DETAILS	Softing has issued an update to correct this vulnerability. More details can be found at: https://industrial.softing.com/fileadmin/psirt/downloads/syt-2022-4.html
DISCLOSURE TIMELINE	2022-04-15 - Vulnerability reported to vendor 2022-08-23 - Coordinated public release of advisory
CREDIT	Flashback Team: Pedro Ribeiro (@pedrib1337) && Radek Domanski (@RabbitPro)

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